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SBS 2003 POP3 Connector not downloading mail

Posted on 2010-09-21
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Last Modified: 2012-05-10
The SBS 2003 we have running the POP3 connector is not downloading emails from our ISP. I've put error logging on MAX and I've gone through them.

It successfully connects, authenticates and acknowledges there are 70 mesages to download. Then, it gives the error:

An error occurred with the connection to the POP3 server (mailbox <email@apsw.co.uk [mail.apsw.co.uk]>) while downloading the message <id:{C9286348-15FA-4708-94BA-D7CE724DCC9E}>. The error is 10054 (An existing connection was forcibly closed by the remote host.

Followed by a warning:

There was an error logging out from the POP3 server (mailbox <mail.apsw.co.uk [email@apsw.co.uk]>). The error is -2147014842 (An existing connection was forcibly closed by the remote host.
). All the messages will remain in the server and its recipients may receive it more than once.

Then obivously finishes with:

The downloading process for mailbox <email@apsw.co.uk [mail.apsw.co.uk]> was ended with one or more errors.
).

Any ideas?
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Question by:nickedwards
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by:alexfarias
ID: 33725277
This error happens when a connection is started (and working), but then closed by the other side of things before the SMTP conversation is completed. This can also be caused by a firewall in between you and the server that might be "proxying" the SMTP conversation, and then terminates it.

There are several common reasons:

    * The wrong SMTP server was specified (Edit -> Options, Email). Check your email client to see what it's using for an SMTP server, or talk to your system administratory.
    * There is a firewall or antivirus package running that's aborting the SMTP conversation. This might be something running on your machine (like Norton Antivirus), or some hardware firewall that does stateful inspection. If other software works, but PingPlotter/MultiPing does not, then it's probably local to your machine - something that is filtering by which application is sending data.
    * There might be something wrong with the SMTP server. Try using another email client and make sure the same SMTP server works with that.

SOURCE: http://www.nessoft.com/kb/75
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by:Nirev
ID: 33725321
Sounds to me like an email might be taking too long to download hence the pop3 service provider terminated the connection. However, to be sure, check if the service provider provides webmail, login to the account and verify that there are no huge emails waiting to be downloaded. If there are, download it via a pop3 client, eg Outlook express before deleting, so that you can pass it on to the relevant recipient.

To be sure it's not a service provider problem, send an email of say approx 10MB's in size to that email account, monitor your pop3 connector and see if it manages to download.

HtH.
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by:nickedwards
ID: 33725522
[quote]This error happens when a connection is started (and working), but then closed by the other side of things before the SMTP conversation is completed. This can also be caused by a firewall in between you and the server that might be "proxying" the SMTP conversation, and then terminates it.

There are several common reasons:

    * The wrong SMTP server was specified (Edit -> Options, Email). Check your email client to see what it's using for an SMTP server, or talk to your system administratory.
    * There is a firewall or antivirus package running that's aborting the SMTP conversation. This might be something running on your machine (like Norton Antivirus), or some hardware firewall that does stateful inspection. If other software works, but PingPlotter/MultiPing does not, then it's probably local to your machine - something that is filtering by which application is sending data.
    * There might be something wrong with the SMTP server. Try using another email client and make sure the same SMTP server works with that.

SOURCE: http://www.nessoft.com/kb/75[/quote]

This is related to recieving email on POP3 only - SMTP wouldn't effect that, would it?
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by:nickedwards
ID: 33732974
Anyone?
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by:Nirev
ID: 33733917
Did you try my advice yet?
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nickedwards earned 0 total points
ID: 33857886
I created a new POP3 account for the connector to use. For some reason my hosting provider refused to acknowledge their server was refusing our connection.
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